+Overriding certificate stores
+*******************************
+Each policy component keystore and or truststore can be overriden. The procedure will be applicable
+to an installation that requires certificates other than the pre-packaged AAF derived ones
+that come with the official ONAP distribution.
+
+To override a default keystore, the new certificate store (policy-keystore) file should be placed at the
+appropriate helm chart locations below:
+
+* **oom/kubernetes/policy/charts/drools/resources/secrets/policy-keystore** drools pdp keystore override.
+* **oom/kubernetes/policy/charts/policy-apex-pdp/resources/config/policy-keystore** apex pdp keystore override.
+* **oom/kubernetes/policy/charts/policy-api/resources/config/policy-keystore** api keystore override.
+* **oom/kubernetes/policy/charts/policy-distribution/resources/config/policy-keystore** distribution keystore override.
+* **oom/kubernetes/policy/charts/policy-pap/resources/config/policy-keystore** pap keystore override.
+* **oom/kubernetes/policy/charts/policy-xacml-pdp/resources/config/policy-keystore** xacml pdp keystore override.
+
+In the event that the truststore (policy-truststore) needs to be overriden as well, place it at the appropriate
+location below:
+
+* **oom/kubernetes/policy/charts/drools/resources/configmaps/policy-truststore** drools pdp truststore override.
+* **oom/kubernetes/policy/charts/policy-apex-pdp/resources/config/policy-truststore** apex pdp truststore override.
+* **oom/kubernetes/policy/charts/policy-api/resources/config/policy-truststore** api truststore override.
+* **oom/kubernetes/policy/charts/policy-distribution/resources/config/policy-truststore** distribution truststore override.
+* **oom/kubernetes/policy/charts/policy-pap/resources/config/policy-truststore** pap truststore override.
+* **oom/kubernetes/policy/charts/policy-xacml-pdp/resources/config/policy-truststore** xacml pdp truststore override.
+
+After these changes, follow the procedures in the :ref:`Installing or Upgrading Policy` section to make usage of
+the new stores effective.
+
+Additional PDP-D Customizations